// Copyright 2014 mqant Author. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package json

import (
	"encoding/json"
	"fmt"
)

func Getter(call func() (string, error), v interface{}) error {
	str, err := call()
	if err != nil {
		return err
	}
	fmt.Println("Etcd-->", str)
	return json.Unmarshal([]byte(str), v)
}
